'hypothesized' is a correct and usable word in written English, and it can be used as both a verb and a noun.
Example sentence: The geologist hypothesized that the rocks had been shaped by glacial movement.
A large fraction of those who had read at most small portions of the Principia and depended on others for their knowledge of it most likely saw Newton as having hypothesized inverse-square attraction and hence as in fact following the method of hypotheses.
A model of the relationship is hypothesized, and estimates of the parameter values are used to develop an estimated regression equation.
The scientists at JCVI hypothesized that about 100 more genes could be removed from the M. genitalium JCVI-1.0 genome without sacrificing its function (although they were not sure which 100 genes).
Newton hypothesized that light is corpuscular in its nature, each colour represented by a different particle speed, an erroneous assumption.
Thus he hypothesized that anxiety was a consequence of the repressed energy (libido) attached to sexuality; the repressed energy found expression in various symptoms that served as psychological defense mechanisms.
Weakly interacting massive particle (WIMP), heavy, electromagnetically neutral subatomic particle that is hypothesized to make up most dark matter and therefore some 22 percent of the universe.
Pauli made major contributions to quantum mechanics, quantum field theory, and solid-state physics, and he successfully hypothesized the existence of the neutrino.
It has been hypothesized that behind the enormous output of floor mosaics in the Roman era lay similar production methods which had developed out of the tray procedure described above.
Nonetheless, it was widely hypothesized that the events are somehow produced by neutron stars in the Milky Way.
Because purusha and prakriti are sufficient to explain the universe, the existence of a god is not hypothesized.
Still others, such as Tyrannosaurus and its relatives, the albertosaurs and daspletosaurs, were probably just giant coelurosaurs, as had been hypothesized by German paleontologist Friedrich von Huene early in the 20th century.
